EP 3162662 A4 20180314 - ELECTRIC POWER-STEERING DEVICE
Title (en)
ELECTRIC POWER-STEERING DEVICE
Title (de)
ELEKTRISCHE SERVOLENKUNG
Title (fr)
DISPOSITIF DE DIRECTION ASSISTÉE ÉLECTRIQUE
Publication
Application
Priority
- JP 2014130175 A 20140625
- JP 2015066240 W 20150604
Abstract (en)
[origin: EP3162662A1] [Problem] An object of the present invention is to provide a safe electric power steering apparatus with a good steering feeling that includes a function for getting out from restraint of a lateral flow or a one-sided flow, and enables acquisition of a better effect that a driver's load is reduced in the lateral flow or the one-sided flow. [Means for solving the problem] A motor current correction value calculating section that corrects a current command value by a motor current correction value based on a motor correction signal comprises a straight running state judging section that judges a straight running state of a vehicle, an adaptive calculating section that calculates and outputs the motor correction signal according to a straight running judgment result of the straight running state judging section, a steering angle and an action force, a vehicle speed sensitive gain section that outputs a vehicle speed gain corresponding to a vehicle speed, and an output calculating section that multiplies the motor correction signal by the vehicle speed gain and outputs the motor current correction value, and includes a function for getting out from restraint of a lateral flow or a one-sided flow by storing a steering angle at the time when the motor correction signal exceeds a threshold while judging straight running, setting new upper and lower thresholds for its stored value, and performing judgment based on comparison between the motor correction signal and the thresholds.
IPC 8 full level
CPC (source: EP US)
B62D 5/0463 (2013.01 - EP US); B62D 6/02 (2013.01 - US); B62D 6/04 (2013.01 - EP US); B62D 6/10 (2013.01 - US); B62D 15/0215 (2013.01 - US)
Citation (search report)
- No further relevant documents disclosed
- See references of WO 2015198831A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3162662 A1 20170503; EP 3162662 A4 20180314; EP 3162662 B1 20190724; CN 106536328 A 20170322; CN 106536328 B 20181204; JP 5967339 B2 20160810; JP WO2015198831 A1 20170420; US 2017096163 A1 20170406; US 9796412 B2 20171024; WO 2015198831 A1 20151230
DOCDB simple family (application)
EP 15811128 A 20150604; CN 201580034009 A 20150604; JP 2015066240 W 20150604; JP 2016519403 A 20150604; US 201515103037 A 20150604